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The Bergeon 8250 Watch Case Closer and Crystal Press is a professional Swiss-made tool designed for precision fitting of watch crystals and closing snap-on case backs. Featuring a durable anodized aluminum frame, a linear spindle system with anti-rotation, and a non-slip base, it provides exceptional stability and control for accurate watch repair .
The large 100mm spoked handwheel offers excellent torque, while compatibility with multiple Bergeon die sets (including BG5500-K, BG5499-15, and BG6527 ranges) makes it a versatile choice for watchmakers and repair workshops . Both spindles and die holders use M6 threads for secure attachment .
Swiss Precision – Genuine Bergeon quality.
Linear Spindle with Anti-Rotation – Ensures vertical, non‑deflecting pressure for even force distribution.
Large Handwheel – 100mm spoked wheel for easy, precise torque control.
Compatible with Multiple Die Sets – Fits Bergeon 5500, 5499, 6527 series dies for various crystal and case back sizes.
M6 Thread Standard – Both spindle and die holders use M6 threads for secure and quick attachment changes.
| Parameter | Details |
|---|---|
| Model | Bergeon 8250 |
| Type | Case closer / crystal press |
| Frame Material | Anodized aluminum |
| Handwheel Diameter | 100 mm |
| Spindle System | Linear with anti‑rotation |
| Thread Standard | M6 (spindle and die holders) |
| Compatible Die Series | Bergeon 5500-K, 5499-15, 6527, etc. |
| Origin | Switzerland |
Fitting round, square, or shaped watch crystals (mineral, sapphire)
Closing snap-on case backs
With various dies, suitable for servicing Rolex, Omega, Patek Philippe, etc.
Professional watch repair workshops, brand service centers, advanced watchmakers
1. Is this a genuine Bergeon tool?
Yes. It is a Swiss Bergeon factory-original model 8250, brand new.
2. Are dies included?
No. Dies are sold separately. You need to purchase Bergeon 5500, 5499, or 6527 series dies to fit your specific crystals and case backs.
3. Can it be used for screw‑on case backs?
The 8250 is primarily designed for snap‑on case backs and crystal fitting. For screw‑on backs, use a dedicated case back opener or press.
4. How do I clean and maintain it?
Regularly clean the dies and threads, keep dust out of the spindle. Wipe with a soft cloth, apply a tiny drop of oil to the threads occasionally. Avoid dropping.
5. What is the maximum pressing force?
There is no fixed force rating – the manual handwheel gives full control. For most crystals and snap‑on backs, slow, even pressure is sufficient without excessive force.
Reliable Shipping – Orders dispatched worldwide within 3 business days.
Competitive Pricing – Affordable rates with exclusive discounts on bulk orders.
Extensive Inventory – 3,000+ watch parts and tools in stock.
Trusted Quality – Professionally sourced watch parts and tools for repair needs.
Expert Assistance – Need a specific tool? Contact us at [email protected] or WhatsApp +86 18620212114.
